19-7

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for materials under the trademark Kanthal®.

Typical applications for 19-7 include use as resistance strip or as a high expansion component in bimetal thermostats, for example in gas and electric stoves.

Chemical composition

Mn %

Ni %

Cr %

Fe %

Nominal composition

0.4

19

7

Bal.

Mechanical properties

Hardness, Vickers: 120

Physical properties

Density g/cm3

8.1

Electrical resistivity at 20°C, Ω mm2/m

0.77

Coefficient of thermal expansion

Temperature range

Thermal Expansion x 10-6/ K

30 - 130 °C

18.8

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for materials under the trademark Kanthal®.